Xadnitu 1/4"-20 x 1/2" Thread Thumb Screw,Stainless Steel Standard/Coarse Thread with Red Adjustable Tee Wing Aluminum Knob to Remove Replace Hand Clamping Tightening Knob Power Supply, 4 Packs
Widely Application : The thumb screw is suitable for woodworking, machinery, or equipment assembly,widely used for indoor, outdoor or humid environment.
Easy Installation: Just need to simply screw the adjustable black wing screw into the threaded hole,easy to install and remove without the need for tools.
Special Design:The thumb screw Knob are great for comfortable hand grip, accord with ergonomic design and plays a non-slip effect .
Material: The thread thumbscrew is made of corrosion resistant stainless steel material, the knob is made of aluminum.